Simulink "Goodness" Block, Function to Coefficeint

2013 2 15
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Is there a Simulink block that will allow me to compare a calculated/predicted data point with an actual data point, then generate a coefficient to improve the calculation of future data points? Or, is there a MATLAB function that can be turned into said Simulink block?

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Guy Rouleau
Guy Rouleau 2013-3-5

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With only one point, I don't know... but with a buffer of past points, this sounds like a cross-correlation:
http://www.mathworks.com/help/dsp/ref/correlation.html

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Azzi Abdelmalek
Azzi Abdelmalek 2013-2-15
编辑：Azzi Abdelmalek 2013-2-15

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Yes, you can use interpreted matlab function block or matlab function block

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Paul Huter
Paul Huter 2013-2-15
I was hoping more for an example than a "yes, your can use a function".
Azzi Abdelmalek
Azzi Abdelmalek 2013-2-15
Paul, I can't guess your hope, you did not ask for an example. I answered the second part of your question: is there a MATLAB function that can be turned into said Simulink block?. The first part is not clear for me. Read these links: interpreted matlab function and matlab function.
Paul Huter
Paul Huter 2013-2-16
Okay: if I have a calculated/predicted data point and a corresponding real data point - how can I generate some sort of coefficient in Simulink/MATLAB to improve the accuracy of the calculated/predicted point (or future points)?

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